ANSWER
[tex]8\cdot10^{-7}N[/tex]EXPLANATION
We want to find the force of gravitational attraction between the two objects.
To do this, apply the formula for gravitational force between two objects:
[tex]F=\frac{Gm_1m_2}{r^2}[/tex]where G = gravitational constant
m1 = mass of the first object
m2 = mass of the second object
r = distance between the centers of mass of the two objects.
Hence, the force of gravitational attraction between the two objects is:
[tex]\begin{gathered} F=\frac{6.67428\cdot10^{-11}\cdot300\cdot1000}{5^2} \\ F=\frac{2.002284\cdot10^{-5}}{25} \\ F=8\cdot10^{-7}N \end{gathered}[/tex]